Standing desk



FIG. 1 is a top rear perspective view of a standing desk, showing my new invention;

FIG. 2 is a bottom front perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a sectional view thereof along line 9-9 of FIG. 3; and,

FIG. 10 is a sectional view thereof along line 10-10 of FIG. 3. 

CLAIM The ornamental design for a standing desk, as shown and described. 